22201513252 has 6 divisors (see below), whose sum is σ = 38852648198. Its totient is φ = 11100756624.

The previous prime is 22201513249. The next prime is 22201513277. The reversal of 22201513252 is 25231510222.

It can be written as a sum of positive squares in only one way, i.e., 21911696676 + 289816576 = 148026^2 + 17024^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775189153 + ... + 2775189160.

Almost surely, 2^22201513252 is an apocalyptic number.

It is an amenable number.

22201513252 is a deficient number, since it is larger than the sum of its proper divisors (16651134946).

22201513252 is a wasteful number, since it uses less digits than its factorization.

22201513252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550378317 (or 5550378315 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 22201513252 in words is "twenty-two billion, two hundred one million, five hundred thirteen thousand, two hundred fifty-two".